Fingerprinting with high-resolution wearable device data

Lily Koffman

Department of Biostatistics, Johns Hopkins School of Public Health

Introduction: accelerometry data

Introduction: accelerometry data

Can we identify someone from their walking pattern measured by a wrist-worn accelerometer?

Problem setup

Problem setup

Problem setup

Big picture method: time series to images

Fingerprints summarize predictors for a given lag and are different across individuals

Fingerprints summarize predictors for a given lag and are different across individuals

Fingerprints summarize predictors for a given lag and are different across individuals

Fingerprints

Fingerprints

What about other data sources?

Arterial waveform

Arterial waveform

Fingerprinting with arterial waveform

Fingerprinting with arterial waveform

Thank you!



References

tinyurl.com/koff-lightning